11659464441 has 9 divisors (see below), whose sum is σ = 16841916559. Its totient is φ = 7772760336.

The previous prime is 11659464431. The next prime is 11659464449. The reversal of 11659464441 is 14446495611.

The square root of 11659464441 is 107979.

It is a perfect power (a square), and thus also a powerful number.

11659464441 is a `hidden beast` number, since 1 + 1 + 65 + 94 + 64 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10370367225 + 1289097216 = 101835^2 + 35904^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 11659464441 - 2¹⁵ = 11659431673 is a prime.

It is a super-2 number, since 2×11659464441² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11659464449) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 305941 + ... + 341933.

Almost surely, 2^11659464441 is an apocalyptic number.

11659464441 is the 107979-th square number.

11659464441 is the 53990-th centered octagonal number.

It is an amenable number.

11659464441 is a deficient number, since it is larger than the sum of its proper divisors (5182452118).

11659464441 is an frugal number, since it uses more digits than its factorization.

11659464441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71992 (or 35996 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

It can be divided in two parts, 11659 and 464441, that added together give a square (476100 = 690²).

The spelling of 11659464441 in words is "eleven billion, six hundred fifty-nine million, four hundred sixty-four thousand, four hundred forty-one".